MySQL 1166

This error occurs when an invalid column name is used in a MySQL query. It is a syntax error, and the message is "Unknown column '%s' in '%s'".

Never worry about your database again!

How It Affects Your App

MySQL 1166 ER_WRONG_COLUMN_NAME indicates that the column name specified in the query does not exist in the table. This can cause the query to fail, resulting in an application error. The application may not be able to retrieve the data it needs, or may not be able to update the database correctly. This can lead to incorrect data being displayed or stored, or the application may not be able to perform certain tasks.

How To Fix

1. SHOW VARIABLES LIKE 'sql_mode';This command will show the current SQL mode of the MySQL server.2. SET GLOBAL sql_mode = '';This command will reset the SQL mode to the default value.3. SET SESSION sql_mode = '';This command will reset the SQL mode for the current session.4. SELECT @@GLOBAL.sql_mode;This command will show the current SQL mode of the MySQL server.5. SELECT @@SESSION.sql_mode;This command will show the current SQL mode of the current session.6. Use an automated database observability tool to monitor and fix the MySQL 1166 in question. Automated database observability tools can help identify and diagnose issues quickly, as well as provide real-time monitoring and alerting of any changes in the database. This can help ensure that any issues are addressed quickly and efficiently.

Never worry about your database again!

Let us show you how you can free your engineering team from database worries with 75% MTTR reduction

CTA Image

Featured Articles

Why Doesn't Postgres Use My Index

All Your Monitoring Solutions Are Just Wrong

8 Proven Strategies to Improve Database Performance

The only way to

optimize

monitor

protect

troubleshoot

optimize

your database

Prevent slow queries from reaching production

Gain a clear understanding of all your queries pre production. With metis analysis and enrichment engine, you can detect slow queries, get insights into their potential impact on your production environment, and receive immediate remediation and optimization plans.

Schema migration analysis

Elevate your confidence in schema migrations. Regardless of how you handle them, whether it's through ORM, Flyway, or other methods, gain the ability to identify potential data loss, receive estimates of migration duration, and optimize the process. Migrate with precision, just as you intended.

Procative Monitoring Badge

Proactive monitoring. It's not only about slow queries

Use monitoring that actually helps you get ahead of your database problems. Detect schema drifts, configurations and access patterns. Dont just wait until your database performance affects your customers, Take a proactive stance by receiving alerts at the first signs of deviations, enhancing database resilience, and instilling customer assurance through optimized speed and reliability.

Troubleshoot Icon

The database troubleshooting platform you deserve

Say goodbye to uninformative dashboards that provide no valuable insights. Proactively identify and fix drifts in your database from the moment they arise. Continuously analyze, fix and optimize your queries, configurations and much more!

Related Content

MySQL 3229

This error occurs when attempting to group by a timestamp column in a Daylight Savings Time zone.

MySQL 3230

This error indicates that MySQL cannot start a server using a named pipe. It is a MySQL 3230 error code.

MySQL 3228

This error indicates that MySQL cannot open the error log file. It is usually caused by incorrect permissions or a missing file.

MySQL 3227

This error occurs when attempting to use replication filters with XA transactions. It indicates that replication filters are not supported for XA transactions.

Never worry about your
database again!

Start using Metis and get your database guardrails set up in minutes